Merge branch 'feature/deepseek_rag_1.0' into debug

utils/llm/eta_llm/eta_llm_client.go

@@ -111,7 +111,7 @@ func (ds *ETALLMClient) KnowledgeBaseChat(query string, KnowledgeBaseName string
 			continue
 		}
 		ChatHistory = append(ChatHistory, eta_llm_http.HistoryContent{
-			Content: historyItem.Content,
+			Content: fmt.Sprintf("【历史对话】 %s", historyItem.Content),
 			Role:    historyItem.Role,
 		})
 	}